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<Title>PolarChart.getYCoor</Title>
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<p class="heading0">ChartDirector 7.0 (Java Edition)</p>
<p class="heading1"><a href="PolarChart.htm">PolarChart</a>.<wbr>getYCoor</p>
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<p class="heading2a">Usage</p>
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public int getYCoor(double r, double a)
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<p class="heading2">Description</p>
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Gets the y pixel coordinate of a point given its radial and angular coordinates.<br><br>
The radial and angular coordinates are measured using the scale of the radial and angular axes. In particular, the scale of the angular axis may not be in degrees or radians. See <a href="AngularAxis.setLabels.htm">AngularAxis.setLabels</a> and <a href="AngularAxis.setLinearScale.htm">AngularAxis.setLinearScale</a> on how the angular axis scale is defined.<br><br>
<b>Note:</b> You must call <a href="BaseChart.layout.htm">BaseChart.layout</a> first before calling this method. ChartDirector needs to perform auto-scaling and layout the axis before it can compute the coordinates.
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<p class="heading2">Arguments</p>
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<th width="19%">Argument</th><th width="19%">Default</th><th>Description</th>
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<td>r</td><td>(Mandatory)</td><td>The radial coordinate of the point.</td></tr><tr><td>a</td><td>(Mandatory)</td><td>The angular coordinate of the point.</td>
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<p class="heading2">Return Value</p>
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The y pixel coordinate of the point.
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